diff --git a/install_ubuntu_details.sh b/install_ubuntu_details.sh
index 9988c6e69a4343afa67b02b93dae747cbe8abda1..360cf35481f1c81cecc34d701e9f2e8c27e12e51 100644
--- a/install_ubuntu_details.sh
+++ b/install_ubuntu_details.sh
@@ -657,6 +657,10 @@ systemctl --user --now enable pipewire pipewire-pulse
 # Enable Pipewire media session
 systemctl --user --now enable pipewire-media-session.service
 
+# If no Desktop Audio, install PAVU.
+# https://obsproject.com/forum/threads/no-desktop-audio-ubuntu-20-10.140429/
+sudo apt install pavucontrol
+
 #-----------------------------------------------------------------------
 # Homebrew and Hugo.